The figure above shows how the luminosity of supernovae changes over time. Which type of supernova is the most luminous one year after the explosion?
A) massive star supernova
B) white dwarf supernova
C) impossible to tell from the graph
A) massive star supernova
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Satellite Motion: Find the orbital speed of an ice cube in the rings of Saturn. The mass of Saturn is 5.68 × 1026 kg, and use an orbital radius of 1.00 × 105 km. (G = 6.67 × 10-11 N ? m2/kg2)
A. 19.5 km/s B. 27.5 km/s C. 13.8 km/s D. 9.40 km/s
Single-Slit Diffraction: A single thin slit forms a diffraction pattern when illuminated with monochromatic light. The fourth minimum of the pattern occurs at an angle of 32.0° away from the central maximum. At what angle does the fifth minimum occur?
A. 41.5° B. 41.0° C. 40.5° D. 42.0° E. 42.5°
On a PV diagram, 2 curves are plotted, both starting at the same point and both ending at the same final increased volume. One curve is for an isothermal process; the other is for an adiabatic process. What does the area between these two curves represent?
a. Q absorbed by the isothermal process. b. W done by the adiabatic process. c. ?U for the isothermal process. d. Neither Q, W, nor ?U for either of the processes is represented.
An airplane pilot experiences weightlessness as she passes over the top of a loop-the-loop maneuver. If her speed is 200 m/s at the time, find the radius of the loop